/* updates only what needs changing (time_elapsed==NONE means redraw everything no matter what,
but skip the interface frame) */
void update_interface(
short time_elapsed)
{
if (!game_window_is_full_screen())
{
_set_port_to_screen_window();
update_everything(time_elapsed);
_restore_port();
}
return;
}
static bool build_map_preview(std::ostringstream& ostream)
{
SDL_Rect r = {0, 0, RENDER_WIDTH, RENDER_HEIGHT};
SDL_Surface *surface = SDL_CreateRGBSurface(SDL_SWSURFACE, r.w, r.h, 32, 0xff0000, 0x00ff00, 0x0000ff, 0);
if (!surface)
return false;
SDL_FillRect(surface, &r, SDL_MapRGB(surface->format, 0, 0, 0));
struct overhead_map_data overhead_data;
overhead_data.half_width = r.w >> 1;
overhead_data.half_height = r.h >> 1;
overhead_data.width = r.w;
overhead_data.height = r.h;
overhead_data.top = overhead_data.left = 0;
overhead_data.scale = RENDER_SCALE;
overhead_data.mode = _rendering_saved_game_preview;
overhead_data.origin.x = local_player->location.x;
overhead_data.origin.y = local_player->location.y;
bool old_OGL_MapActive = OGL_MapActive;
_set_port_to_custom(surface);
OGL_MapActive = false;
_render_overhead_map(&overhead_data);
OGL_MapActive = old_OGL_MapActive;
_restore_port();
SDL_RWops *rwops = SDL_RWFromOStream(ostream);
#if defined(HAVE_PNG) && defined(HAVE_SDL_IMAGE_H)
int ret = IMG_SavePNG_RW(rwops, surface, IMG_COMPRESS_DEFAULT, NULL, 0);
#else
int ret = SDL_SaveBMP_RW(surface, rwops, false);
#endif
SDL_FreeSurface(surface);
SDL_RWclose(rwops);
return (ret == 0);
}
